private async Task <bool> SendFrame(byte[] frame)
{
if (!_isConnected)
{
return(await Task.FromResult(false));
}
else
{
if (_analyzerChar != null)
{
_responseFrame = null;
byte[] frameToSend = new byte[8 + frame.Length];
// Imposto l'header
Encoding.ASCII.GetBytes(_frameMarker).CopyTo(frameToSend, 0);
// Imposto il frame da inviare
frame.CopyTo(frameToSend, 4);
// Calcolo e imposto il crc
UInt32 crc = Crc32_STM.CalculateFromBuffer(frameToSend, frameToSend.Length - 4);
ArrConverter.SetBufferFromUInt32(crc, frameToSend, frameToSend.Length - 4);
await _analyzerChar.WriteAsync(frameToSend);
}
else
{
return(await Task.FromResult(false));
}
}
return(await Task.FromResult(true));
}
private async Task <bool> SendCommandWithBuffer(UInt32 command, byte[] buff)
{
if (!_isConnected)
{
return(await Task.FromResult(false));
}
else
{
if (_analyzerChar != null)
{
byte[] frame = new byte[4 + buff.Length];
// Copio il codice del comando
ArrConverter.SetBufferFromUInt32(command, frame, 0);
buff.CopyTo(frame, 4);
await SendFrame(frame);
}
else
{
return(await Task.FromResult(false));
}
}
return(await Task.FromResult(true));
}
// Invia il frame di start della comunicazione
// indicando la lunghezza del frame successivo
// compresi la dimensione dell'header e del CRC finale
private async Task <bool> SendReceiveInitCommand(UInt32 nextLength)
{
if (!_isConnected)
{
return(await Task.FromResult(false));
}
else
{
try
{
if (_analyzerChar != null)
{
byte[] frame = new byte[4];
// Copio la lunghezza del messaggio da inviare successivamente
ArrConverter.SetBufferFromUInt32(nextLength, frame, 0);
await SendFrame(frame);
await ReceiveFrame();
return(await Task.FromResult(true));
}
else
{
return(await Task.FromResult(false));
}
}
catch (Exception e)
{
return(await Task.FromResult(false));
}
}
}
public async Task <List <int> > GetSpyFileSizes(SpyFileType type)
{
var fileSizes = new List <int>();
UInt32 getNumCommand;
UInt32 getFileSizeCommand;
if (type == SpyFileType.FileTypeCAN1)
{
getNumCommand = 0x00000003;
getFileSizeCommand = 0x00000009;
}
else if (type == SpyFileType.FileTypeCAN2)
{
getNumCommand = 0x00000004;
getFileSizeCommand = 0x0000000A;
}
else if (type == SpyFileType.FileTypeK)
{
getNumCommand = 0x00000005;
getFileSizeCommand = 0x0000000B;
}
else
{
throw new Exception("FileType not implemented!");
}
var getNumResponse = await SendReceiveCommand(getNumCommand);
var filesNum = getNumResponse.responseData;
for (UInt32 fileIndex = 0; fileIndex < filesNum; fileIndex++)
{
var fileIndexBuf = new byte[4];
ArrConverter.SetBufferFromUInt32(fileIndex, fileIndexBuf, 0);
var getFileSizeResponse = await SendReceiveCommand(getFileSizeCommand, fileIndexBuf);
UInt32 fileSize = getFileSizeResponse.responseData;
fileSizes.Add((int)fileSize);
}
return(fileSizes);
}
public async Task <List <string> > GetSpyFileNames(SpyFileType type)
{
var fileNames = new List <string>();
UInt32 getNumCommand;
UInt32 getFileNameCommand;
if (type == SpyFileType.FileTypeCAN1)
{
getNumCommand = 0x00000003;
getFileNameCommand = 0x00000006;
}
else if (type == SpyFileType.FileTypeCAN2)
{
getNumCommand = 0x00000004;
getFileNameCommand = 0x00000007;
}
else if (type == SpyFileType.FileTypeK)
{
getNumCommand = 0x00000005;
getFileNameCommand = 0x00000008;
}
else
{
throw new Exception("FileType not implemented!");
}
var getNumResponse = await SendReceiveCommand(getNumCommand);
var filesNum = getNumResponse.responseData;
for (UInt32 fileIndex = 0; fileIndex < filesNum; fileIndex++)
{
var fileIndexBuf = new byte[4];
ArrConverter.SetBufferFromUInt32(fileIndex, fileIndexBuf, 0);
var getFileNameResponse = await SendReceiveCommand(getFileNameCommand, fileIndexBuf);
var fileName = Encoding.ASCII.GetString(getFileNameResponse.responseBuff);
fileNames.Add(fileName);
}
return(fileNames);
}
public async Task <bool> SetCANParametersAsync(SpyType type, CANSpyParameters param)
{
const UInt32 setParamCAN1Spy = 0x00010003;
const UInt32 setParamCAN2Spy = 0x00020003;
byte[] paramData = new byte[CANSpyParameters.ParamSize];
ArrConverter.SetBufferFromUInt32((UInt32)param.BitTiming, paramData, 0);
ArrConverter.SetBufferFromUInt32((UInt32)param.FrameFormat, paramData, 4);
if (param.ErrorReception)
{
ArrConverter.SetBufferFromUInt32((UInt32)1, paramData, 8);
}
else
{
ArrConverter.SetBufferFromUInt32((UInt32)0, paramData, 8);
}
if (param.ApplyMask)
{
ArrConverter.SetBufferFromUInt32((UInt32)1, paramData, 12);
}
else
{
ArrConverter.SetBufferFromUInt32((UInt32)0, paramData, 12);
}
ArrConverter.SetBufferFromUInt32((UInt32)param.Mask, paramData, 16);
ArrConverter.SetBufferFromUInt32((UInt32)param.ID, paramData, 20);
if (type == SpyType.CANSpyOne)
{
await SendReceiveCommand(setParamCAN1Spy, paramData);
}
else if (type == SpyType.CANSpyTwo)
{
await SendReceiveCommand(setParamCAN2Spy, paramData);
}
return(await Task.FromResult(true));
}
